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<h1 class="topictitle1">执行备份</h1>
<div><p id="ZH-CN_TOPIC_0000001964713008__p14427140104917">执行备份前将需要保护的资源关联到指定SLA，系统将对这些资源按照SLA进行保护，并根据SLA周期性执行备份任务。如需立即执行一次备份任务时，可以通过手动备份实现。</p>
<div class="section"><h4 class="sectiontitle">注意事项</h4><ul><li id="ZH-CN_TOPIC_0000001964713008__li336125611415">如果SLA定义了复制策略或归档策略，则执行手动备份时，系统会按照SLA的定义执行一次复制或归档。</li></ul>
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<div class="section"><h4 class="sectiontitle">前提条件</h4><p>XX</p>
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<div class="section"><h4 class="sectiontitle">操作步骤</h4><ol><li id="ZH-CN_TOPIC_0000001964713008__li173515381130"><span>选择SLA。</span><p><div class="p" id="ZH-CN_TOPIC_0000001964713008__p16181740836">您也可以单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001964713008__uicontrol744210206420">“<span id="ZH-CN_TOPIC_0000001964713008__text1873812341015">创建</span>”</span>，创建新的SLA。<div class="note" id="ZH-CN_TOPIC_0000001964713008__note25947145710"><img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span><div class="notebody"><p id="ZH-CN_TOPIC_0000001964713008__p125947145711"><span id="ZH-CN_TOPIC_0000001964713008__ph1413818422327">如果待保护的资源已设置WORM策略，为避免WORM策略冲突，请选择不包含WORM策略的SLA创建保护。</span></p>
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</p></li><li id="ZH-CN_TOPIC_0000001964713008__li1333921134717"><span>单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001964713008__zh-cn_topic_0000001656691397_uicontrol471113581111">“确定”</span>。</span><p><p id="ZH-CN_TOPIC_0000001964713008__zh-cn_topic_0000001656691397_p25041111535">如果当前系统时间已晚于SLA首次备份的开始时间，可以在弹出的对话框中选择立即执行手动备份或者根据SLA中设置的备份策略周期性自动执行备份。</p>
</p></li><li id="ZH-CN_TOPIC_0000001964713008__li647231474515"><strong>可选：</strong><span>执行手动备份。</span><p><div class="p" id="ZH-CN_TOPIC_0000001964713008__p11899115114511">当需要立即执行一次备份任务时，可以执行以下操作进行手动备份。否则，可跳过本步骤。<ol type="a" id="ZH-CN_TOPIC_0000001964713008__ol1888313571212"><li id="ZH-CN_TOPIC_0000001964713008__li6449836144510">在需要备份的资源所在行单击“更多 &gt; <span id="ZH-CN_TOPIC_0000001964713008__text18439122416533">手动备份</span>”。<div class="note" id="ZH-CN_TOPIC_0000001964713008__note1527151103"><img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span><div class="notebody"><p id="ZH-CN_TOPIC_0000001964713008__zh-cn_topic_0000001607531736_p870125314544">支持选择多个资源批量进行手动备份。勾选多个已保护的资源，在资源列表左上角选择“更多 &gt; <span id="ZH-CN_TOPIC_0000001964713008__text122852865419">手动备份</span>”。</p>
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</li><li id="ZH-CN_TOPIC_0000001964713008__li5644125184512">设置手动备份产生的副本名称。<p id="ZH-CN_TOPIC_0000001964713008__p444210492470"><a name="ZH-CN_TOPIC_0000001964713008__li5644125184512"></a><a name="li5644125184512"></a>如果您不设置，系统默认设置副本名称为：backup_时间戳。</p>
</li><li id="ZH-CN_TOPIC_0000001964713008__li9911344144518">选择保护策略：<span id="ZH-CN_TOPIC_0000001964713008__text66431546113916">全量备份</span>或<span id="ZH-CN_TOPIC_0000001964713008__text1343410023420">永久增量（合成全量）备份</span>。<div class="note" id="ZH-CN_TOPIC_0000001964713008__note1552298154910"><img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span><div class="notebody"><p id="ZH-CN_TOPIC_0000001964713008__p13522118194919"><span id="ZH-CN_TOPIC_0000001964713008__ph19374310343">对于1.6.0及后续版本，如果选择的保护策略与关联的SLA中配置的保护策略不一致，则WORM配置不生效。</span></p>
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</li><li id="ZH-CN_TOPIC_0000001964713008__li2637101024612">单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001964713008__uicontrol37271318124613">“<span id="ZH-CN_TOPIC_0000001964713008__text6821948112410">确定</span>”</span>。</li></ol>
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